Go to control panel>internet options>programs tab>select Outlook Express in the email field>click "OK".. . Just to be SURE the change(s) take affect, restart your computer and try it out.. . If it doesn't work, try opening Outlook Express, and when/if prompted to make OE your default, choose YES. Then in OE go to tools>options>general tab>default messaging programs, click "make default" next to "This application is/is not the default mail handler".